An "ingénieur" is a professional who applies scientific and mathematical principles to design, develop, and improve structures, machines, and systems. They work in various fields, including civil engineering, mechanical engineering, and software engineering, among others. Their role often involves problem-solving, project management, and collaboration with other professionals. To become an ingénieur, individuals typically need a degree in engineering or a related field. They may also pursue certifications to enhance their skills and knowledge. Ingénieurs play a crucial role in innovation and technology, contributing to advancements in industries such as construction, automotive, and information technology.